Linux Phones

I'm toying with the idea of trying to get Linux on my Fairphone 3 running. But one thing that was lacking on my Pinephone back then was the lack of a good Signal client. There were one or two available, but they were clunky. I helped out with one or two tickets but I lacked the time to do more and now I lack the energy.

So, is there a viable way to get Signal on a Linux phone? Maybe Waydroid? Or does that suck too much energy?